Finding the Fourth Proportional to 5,615,376.93, 8,423,996.11 and 1,971,161.26
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Solution
The fourth proportional to 5,615,376.93, 8,423,996.11 and 1,971,161.26 is: 2,957,068.60
Step by Step Solution
- Step 1: Write the proportion equation
5,615,376.93 : 8,423,996.11 = 1,971,161.26 : x - Step 2: Convert to fraction form
5,615,376.93/8,423,996.11 = 1,971,161.26/x - Step 3: Cross multiply
5,615,376.93x = 8,423,996.11 × 1,971,161.26 - Step 4: Simplify right side
5,615,376.93x = 16,605,054,786,422.70 - Step 5: Solve for x
x = 16,605,054,786,422.70/5,615,376.93 - Step 6: Final answer
x = 2,957,068.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.